Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - ONE PASSENGER DOOR FAILS TO LOCK AND UNLOCK
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Remove the inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the appropriate Door Lock Motor connector. Connect a test light between the Lock Relay Output and the Unlock Relay Output circuits in the door lock motor connector. Press the door lock switch to the Lock and Unlock positions. Did the test light illuminate when the lock switch was pressed in both directions? Yes --> Replace the Door Lock Motor. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2 |
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| 2 | Turn ignition off. Remove the appropriate inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the Door Lock Motor connector. Using a 12-volt test light connected to ground, check the Door Unlock Relay Output circuit. With the DRBIII®, actuate the DOOR UNLOCK RELAY. Does the test light illuminate brightly when the relay is actuated? Yes --> Go To 3 No --> Repair the Door Unlock Relay Output wire for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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| 3 | Turn ignition off. Remove the appropriate inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the Door Lock Motor connector. Using a 12-volt test light connected to ground, check the Door Lock Relay Output circuit. With the DRBIII®, actuate the Door Lock Relay. Does the test light illuminate brightly when the relay is actuated? Yes --> Test Complete. No --> Repair the Door Lock Relay Output wire for an open. Perform BODY VERIFICATION TEST - VER 1 . |
All |